Home / 129,224.22-193,836.37-53,321.65

Finding the Fourth Proportional to 129,224.22, 193,836.37 and 53,321.65

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Solution

The fourth proportional to 129,224.22, 193,836.37 and 53,321.65 is: 79,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,224.22 : 193,836.37 = 53,321.65 : x
  2. Step 2: Convert to fraction form
    129,224.22/193,836.37 = 53,321.65/x
  3. Step 3: Cross multiply
    129,224.22x = 193,836.37 × 53,321.65
  4. Step 4: Simplify right side
    129,224.22x = 10,335,675,211.71
  5. Step 5: Solve for x
    x = 10,335,675,211.71/129,224.22
  6. Step 6: Final answer
    x = 79,982.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.